/// <summary>
/// Gets a specified unique file identifer frame from the
/// specified tag, optionally creating it if it does not
/// exist.
/// </summary>
/// <param name="tag">
/// A <see cref="Tag" /> object to search in.
/// </param>
/// <param name="owner">
/// A <see cref="string" /> specifying the owner to match.
/// </param>
/// <param name="create">
/// A <see cref="bool" /> specifying whether or not to create
/// and add a new frame to the tag if a match is not found.
/// </param>
/// <returns>
/// A <see cref="UserTextInformationFrame" /> object
/// containing the matching frame, or <see langword="null" />
/// if a match wasn't found and <paramref name="create" /> is
/// <see langword="false" />.
/// </returns>
public static UniqueFileIdentifierFrame Get(Tag tag,
string owner,
bool create)
{
UniqueFileIdentifierFrame ufid;
foreach (Frame frame in tag.GetFrames(FrameType.UFID))
{
ufid = frame as UniqueFileIdentifierFrame;
if (ufid == null)
{
continue;
}
if (ufid.Owner == owner)
{
return(ufid);
}
}
if (!create)
{
return(null);
}
ufid = new UniqueFileIdentifierFrame(owner, null);
tag.AddFrame(ufid);
return(ufid);
}
private string GetUfidText(string owner)
{
UniqueFileIdentifierFrame frame = UniqueFileIdentifierFrame.Get(this, owner, false);
string result = frame == null?null:frame.Identifier.ToString();
return(string.IsNullOrEmpty(result)?null:result);
}
public static UniqueFileIdentifierFrame Get(TagLib.Id3v2.Tag tag, string owner, bool create)
{
UniqueFileIdentifierFrame frame;
IEnumerator<Frame> enumerator = tag.GetFrames(FrameType.UFID).GetEnumerator();
try
{
while (enumerator.MoveNext())
{
Frame current = enumerator.Current;
frame = current as UniqueFileIdentifierFrame;
if ((frame != null) && (frame.Owner == owner))
{
return frame;
}
}
}
finally
{
if (enumerator == null)
{
}
enumerator.Dispose();
}
if (!create)
{
return null;
}
frame = new UniqueFileIdentifierFrame(owner, null);
tag.AddFrame(frame);
return frame;
}
public override Frame Clone()
{
UniqueFileIdentifierFrame frame = new UniqueFileIdentifierFrame(this.owner);
if (this.identifier != null)
{
frame.identifier = new ByteVector(this.identifier);
}
return frame;
}
public override Frame Clone()
{
UniqueFileIdentifierFrame frame = new UniqueFileIdentifierFrame(owner);
if (identifier != null)
{
frame.identifier = new ByteVector(identifier);
}
return(frame);
}
/// <summary>
/// Creates a deep copy of the current instance.
/// </summary>
/// <returns>
/// A new <see cref="Frame" /> object identical to the
/// current instance.
/// </returns>
public override Frame Clone()
{
var frame = new UniqueFileIdentifierFrame(Owner);
if (Identifier != null)
{
frame.Identifier = new ByteVector(Identifier);
}
return(frame);
}
private void SetUfidText(string owner, string text)
{
UniqueFileIdentifierFrame frame = UniqueFileIdentifierFrame.Get(this, owner, true);
if (!string.IsNullOrEmpty(text))
{
ByteVector identifier = ByteVector.FromString(text, StringType.UTF8);
frame.Identifier = identifier;
}
else
{
RemoveFrame(frame);
}
}
public static UniqueFileIdentifierFrame Get(Tag tag, string owner, bool create)
{
foreach (Frame f in tag.GetFrames(FrameType.UFID))
{
if (f is UniqueFileIdentifierFrame && (f as UniqueFileIdentifierFrame).Owner == owner)
{
return(f as UniqueFileIdentifierFrame);
}
}
if (!create)
{
return(null);
}
UniqueFileIdentifierFrame frame = new UniqueFileIdentifierFrame(owner, null);
tag.AddFrame(frame);
return(frame);
}
/// <summary>
/// Creates a deep copy of the current instance.
/// </summary>
/// <returns>
/// A new <see cref="Frame" /> object identical to the
/// current instance.
/// </returns>
public override Frame Clone ()
{
UniqueFileIdentifierFrame frame =
new UniqueFileIdentifierFrame (owner);
if (identifier != null)
frame.identifier = new ByteVector (identifier);
return frame;
}
/// <summary>
/// Gets a specified unique file identifer frame from the
/// specified tag, optionally creating it if it does not
/// exist.
/// </summary>
/// <param name="tag">
/// A <see cref="Tag" /> object to search in.
/// </param>
/// <param name="owner">
/// A <see cref="string" /> specifying the owner to match.
/// </param>
/// <param name="create">
/// A <see cref="bool" /> specifying whether or not to create
/// and add a new frame to the tag if a match is not found.
/// </param>
/// <returns>
/// A <see cref="UserTextInformationFrame" /> object
/// containing the matching frame, or <see langword="null" />
/// if a match wasn't found and <paramref name="create" /> is
/// <see langword="false" />.
/// </returns>
public static UniqueFileIdentifierFrame Get (Tag tag,
string owner,
bool create)
{
UniqueFileIdentifierFrame ufid;
foreach (Frame frame in tag.GetFrames (FrameType.UFID)) {
ufid = frame as UniqueFileIdentifierFrame;
if (ufid == null)
continue;
if (ufid.Owner == owner)
return ufid;
}
if (!create)
return null;
ufid = new UniqueFileIdentifierFrame (owner, null);
tag.AddFrame (ufid);
return ufid;
}
public void TestUniqueFileIdentifierFrame ()
{
ByteVector data = val_sing;
data.Add (data); data.Add (data); data.Add (data);
data.Add (data); data.Add (data); data.Add (data);
data.Add (data); data.Add (data); data.Add (data);
data.Add (data); data.Add (data); data.Add (data);
// data.Add (data); data.Add (data); data.Add (data);
UniqueFileIdentifierFrame frame = new UniqueFileIdentifierFrame (val_sing);
frame.Identifier = data;
FrameTest (frame, 2, null,
delegate (ByteVector d, byte v) {
return new UniqueFileIdentifierFrame (d, v);
},
delegate (Frame f, string m) {
UniqueFileIdentifierFrame g = (f as UniqueFileIdentifierFrame);
Assert.AreEqual (val_sing, g.Owner, m);
Assert.AreEqual (data, g.Identifier, m);
});
}
public static UniqueFileIdentifierFrame Get (Tag tag, string owner, bool create)
{
foreach (Frame f in tag.GetFrames (FrameType.UFID))
if (f is UniqueFileIdentifierFrame && (f as UniqueFileIdentifierFrame).Owner == owner)
return f as UniqueFileIdentifierFrame;
if (!create) return null;
UniqueFileIdentifierFrame frame = new UniqueFileIdentifierFrame (owner, null);
tag.AddFrame (frame);
return frame;
}
